Jennalyn is a distinctive girls' name in United States, ranking #5171 in 2005 with 25 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 150.0%. In 2005, approximately 1 in every 73,908 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.